Sequence Stratigraphy Of Upper Paleozoic In Ordos Basin

According to the the distribution and exploring of Upper Paleozoic natural-gas resources in Ordos basin,with sedimental source ,cause-style of sand-body and maturity of source-rock controlling the abundant and dis-tribution of natural-gas,this text illustrates the infl-uence of these controlling factors to the exploring of natural-gas ,using the sequence-stratiphy,sediment-geolo-gy and natural-gas geology,synthesizing the studying of geology and phy-geology.At the same time,via the analysi-s and research of outcrop ,welling and logging,this tex-t establishes the sequence-stratigraphy-partition and t-ype of sediment facies of Shanxi and lower Shihezi for-mation of Chenjiazhuang outcrop and twenty-one key-wells.On this base,we build the models of entire Upper Paleo-zoic sequence-stratigraphy and sediment,illustrating th-e major controlling factors and distribution rule of na-tural gas.